1999 Boise State Broncos football team

The 1999 Boise State Broncos football team represented Boise State University in the Big West Conference during the 1999 NCAA Division I-A football season. Led by second-year head coach Dirk Koetter, the Broncos played their home games on campus at Bronco Stadium in Boise, Idaho.

Boise State finished the regular season at 9–3 and 5–1 in conference to win their first Big West title. In their fourth season in Division I-A, the Broncos were invited to their first ever bowl game, the Humanitarian Bowl on their home field, where they defeated Louisville 34–31 to finish at 10–3. BSU won all eight games played on the blue turf of Bronco Stadium in 1999.